Perl Crypt::JWT prior to 0.023 is affected by: Incorrect Access Control
Published Jul 17, 2019
9.8
CRITICALCVSS 3.0
EPSS 1.31%
Description
Perl Crypt::JWT prior to 0.023 is affected by: Incorrect Access Control. The impact is: allow attackers to bypass authentication by providing a token by crafting with hmac(). The component is: JWT.pm, line 614. The attack vector is: network connectivity. The fixed version is: after commit b98a59b42ded9f9e51b2560410106207c2152d6c.
Affected products
-
- Version prior to 0.023 [fixed: after commit b98a59b42ded9f9e51b2560410106207c2152d6c]StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Perl Crypt::JWT | Perl Crypt::JWT | n/a |
|
- < 0.023
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.31% (0.01312) | 69.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.31% (0.01312) | 69.41th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.29% (0.00285) | 69.03th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00285) | 67.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00285) | 63.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://github.com/DCIT/perl-Crypt-JWT/commit/b98a59b42ded9f9e51b2560410106207c2152d6c x_refsource_MISCPatchThird Party Advisory
- https://www.openwall.com/lists/oss-security/2018/09/07/1 x_refsource_MISCExploitMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/DCIT/perl-Crypt-JWT/commit/b98a59b42ded9f9e51b2560410106207c2152d6c | x_refsource_MISCPatchThird Party Advisory | |
| https://www.openwall.com/lists/oss-security/2018/09/07/1 | x_refsource_MISCExploitMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.